Currently, HAMACA headquarters are in:

Barcelona
Hangar. C/ Emilia Coranty, 16. 08018
For visiting, please write an imail to info [a] hamacaonline.net
Public transport information: http://www.tmb.cat

Madrid
Usera. No public attention for the moment.
To talk, please write an email to belen [a] hamacaonline.net